Trailer lock



FIG. 1 is a front, right and top perspective view of a trailer lock,showing my design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another front, right and top perspective view of the trailerlock in a state of use showing an unclaimed cover.

The broken lines shown in the drawings are included for the purpose ofillustrating a cover and portions of the trailer lock, all of which formno part of the claimed design.

CLAIM The ornamental design for a trailer lock, as shown and described.